Table 6 Comparison of EUS-FNA and EUS-FNB in diagnosing SELs
|  | SELs < 20 mm | SELs ≥ 20 mm | ||||
|---|---|---|---|---|---|---|
EUS-FNA group | EUS-FNB group | P value | EUS-FNA group | EUS-FNB group | P value | |
Number of patients | 38 | 18 | Â | 31 | 19 | Â |
Gender; male/female | 16/22 | 9/9 | n.s. (P = 0.58) | 17/14 | 14/5 | n.s. (P = 0.18) |
Age; median & range | 62.5 (27–87) | 60.5 (38–77) | n.s. (P = 0.95) | 61 (28–77) | 66 (36–78) | n.s. (P = 0.20) |
Lesion size (mm); median & range | 15 (9–19.8) | 16 (10–19.8) | n.s. (P = 0.35) | 30 (20–58) | 26 (20–63) | n.s. (P = 0.86) |
Number of lesions in each gastric location |  |  | n.s. (P = 0.27) |  |  | n.s. (P = 0.94) |
 Upper stomach | 22 | 12 |  | 19 | 13 |  |
 Middle stomach | 11 | 6 |  | 5 | 4 |  |
 Lower stomach | 5 | 0 |  | 7 | 2 |  |
Procedural time (min); median & range | 20 (9–37) | 23 (11–49) | n.s. (P = 0.18) | 25 (9–55) | 19 (8–41) | n.s. (P = 0.41) |
Success rate oftissue sampling | 79.0% (30/38) | 83.3% (15/18) | n.s. (P = 0.70) | 90.3% (28/31) | 100% (19/19) | n.s. (P = 0.16) |
Diagnostic yield | 68.4% (26/38) | 77.8% (14/18) | n.s. (P = 0.47) | 80.1% (25/31) | 100% (19/19) | P = 0.041 |
Complication rate | 0% (0/38) | 0% (0/18) | n.s. (P = 1.0) | 0% (0/31) | 0% (0/19) | n.s. (P = 1.0) |